Fab> Shouldn't a user get an error (not an oops) if they try to
Fab> use the MAD layer for a device that didn't initialize
Fab> properly within the MAD layer? Doesn't the MAD layer trap
Fab> that device requests are valid? It seems that adding such
Fab> checks would be much simpler to implement, rather than trying
Fab> to figure out how to express these limitations to the various
Fab> ULPs.
Yeah, I guess that makes sense, although it exercises the upper
layers' error paths more. All of the modules that export interfaces
used by other layers have to be prepared for a device that they failed
to initialize, and the upper layers have to be prepared for lower
layers to fail.
- R.
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